<template>
  <div :class="className" :style="{height:height,width:width}" />
</template>

<script>
import echarts from 'echarts'
require('echarts/theme/macarons') // echarts theme
import resize from '@/components/Charts/mixins/resize'

export default {
  mixins: [resize],
  props: {
    className: {
      type: String,
      default: 'chart'
    },
    lineColor:{
      type:String,
      default:'#FF005A'
    },
    width: {
      type: String,
      default: '100%'
    },
    height: {
      type: String,
      default: '350px'
    },
    autoResize: {
      type: Boolean,
      default: true
    },
    chartData: {
      type: Object,
      required: true
    }
  },
  data() {
    return {
      chart: null
    }
  },
  watch: {
    chartData: {
      deep: true,
      handler(val) {
        this.setOptions(val)
      }
    }
  },
  mounted() {
    this.$nextTick(() => {
      this.initChart()
    })
  },
  beforeDestroy() {
    if (!this.chart) {
      return
    }
    this.chart.dispose()
    this.chart = null
  },
  methods: {
    initChart() {
      this.chart = echarts.init(this.$el, 'macarons')
      this.setOptions(this.chartData)
    },
    setOptions({ cn_name, messure, datalist } = {}) {
      const xlist = Object.keys(datalist)
      const ylist = Object.values(datalist)
      this.chart.setOption({
        xAxis: {
          data: xlist,
          boundaryGap: false,
          axisLine: {
                show: true,
                lineStyle: {
                    color: "rgb(98,98,98)",
                    width: 0,
                    type: "solid"
                }
            },
          axisTick: {
            show: false
          }
        },
        grid: {
          left: 10,
          right: 10,
          bottom: 20,
          top: 30,
          containLabel: true
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross'
          },
          padding: [5, 10]
        },
        yAxis: {
          name:messure,
          axisLine: {
              show: true,
              lineStyle: {
                  color: "rgb(98,98,98)",
                  width: 0,
                  type: "solid"
              }
          },
          axisTick: {
            show: false
          }
        },
        legend: {
          data: [cn_name]
        },
        series: [{
          name: cn_name, itemStyle: {
            normal: {
              color: this.lineColor,
              lineStyle: {
                color: this.lineColor,
                width: 2
              }
            }
          },
          smooth: false,
          type: 'line',
          data: ylist,
          animationDuration: 2800,
          animationEasing: 'cubicInOut'
        }]
      })
    }
  }
}
</script>
